Improvement in nut-locks



H, P. HOOD & wfceomss.

Nut-Locks.

10,135,553, i Patent ed Feb-4,1373.

Fa -,1. Fig.5..

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AM. PHO To-umo GRAPH/L on M x (osganuf's moons) UNITED STATES PATENT OEEIOE.

HARRISON P. IIOOD, OF INDIANAPOLIS, INDIANA, AND WILLIAM GOOMBS, OE BANGOR, MAINE.

IMPROVEMENT IN NUT-LOCKS.

Specification forming part of Letters Patent No. 135,553, dated February 4, 1873.

Description of the Accompanying Drawing.

Figure l is an elevation of a button. Fig. 2 is an elevation of a washer. Fig. 3 is an elcvation of a rivet. Fig. 4 is an elevation showing the application of the button as applied to the nut of a fish-bar bolt (used in coupling railroad bars) to prevent it from unscrewing. Fig. 5 is an end elevation of the same.

General Description.

Fig. la is a metal or other button, flat, or with the end turned up, as at b. c is a hole for a rivet or screw.

Fig. 2-61 is a washer, curved or not, as required, cut in the end at n, and turned up, as

at e,as a stop for the button. 0 is a hole for a rivet or screw. f is a hole for a bolt.

Fig. 30 is a rivet.

Fig. 4-40 is a button applied to a nut, k, and held to the washer dby the rivet 0; and c is a bent portion of the washer d, and used for a stop for the button. 9 is a portion of a railroad bar with afish-bar, h h, on each side. i is the end of a fish-bar bolt that has passed through the nut 7r.

Fig. 5 is an end elevation Or-= section of the Same.

Claim.

we claim-- The combination of the washer'plate 01 provided with a lip, e, in connection with a button, a, turned up at the inner end b to engage a nut, 70, substantially as and for the purpose hercinbefore set forth.

HARRISON P. HOOD. WILLIAM OOOMBS.

Witnesses:

FRAZER S. ELLIS, LY N B. MARTINDALE. 

